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Heart|Natural|GIA

1.55ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6552148120

Certificate GIA 6552148120

Diamond specifications and retailer prices

From £2,140 GBP
$2,867 USD
As of October 31, 2026
Save £886 GBP (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,026 GBP at GemTrove · As of November 2, 2026
View at GemTrove

About this 1.55ct natural heart diamond

This 1.55ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552148120. Listed at 6 retailers as of October 31, 2026, with prices from £2,140 to £3,026, a £886 spread on the same certified stone. GemTrove lists it at £3,026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.55
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552148120
Dimensions6.93 × 8.07 × 4.80 mm
L/W Ratio1.16
Top View
6.93 mm8.07 mm1.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552148120
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £2,310 GBP|Low: £1,937 GBP|High: £2,869 GBP|Avg: £2,386 GBP|-13.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4£2,140 GBP
Retailer 3£2,181 GBP
Retailer 2£2,228 GBP
Retailer 1£2,310 GBP
Retailer 5£2,519 GBP

46 data points across 5 retailers

6 retailers£2,140 GBP to £3,026 GBP

A
Cheapest Retailer
-
£2,140 GBP
$2,867 USD
A
Retailer 2
-
£2,181 GBP
$2,922 USD
View
Final sale: no returns
A
Retailer 3
-
£2,228 GBP
₹284,315 INR
View
A
Retailer 4
-
£2,310 GBP
View
A
Retailer 5
-
£2,519 GBP
SGD 4,561 SGD
View
Most Expensive
B+
GemTrove
GT-N-01269894-98 · Nov 2
£3,026 GBP
A$6,238 AUD
View
5 more retailers have this diamond
Prices start from £2,140 GBPSave up to £886 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.55ct Heart
£2,140 GBP